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Baseballs pitched by a machine have a horizontal velocity of 30 meters/second. The machine accelerates the baseball from 0 meters/second to 30 meters/second in 0.5 seconds. If a baseball has a mass of
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Suppose a new limestone building has been constructed in a large city. The city located in a climate that is humid, rainy summers. The city also has several factories that cause air pollution. What mi
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Spend time observing or thinking about events that involve matter and energy. which events can you explain? which events cant you explain?
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How are political, food industrial agricultural and health care related to each other and connected to dead zone
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Calculate the force of Earth’s gravity on a spacecraft 3.13 Earth radii above the Earth’s surface if its mass is 2198 kg.
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Potential energy is involved in each of these events. Match each event with its source of potential energy.
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Implement the following boolean function with an 8 to 1 line multiplexer and a single inverter F(A,B,C,D)=(2,3,5,6,8,9,12,14)
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The position of a dragonfly that is flying parallel to the ground is given as a function of time by r⃗ =[2.90m+(0.0900m/s2)t2]i^− (0.0150m/s3)t3j^. At what value of t does the velocity vector of t
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You play basketball in your driveway during the summer. By accident, you leave the basketball outside during the winter. You try to bounce it, but it would not bounce because it was partially deflated
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It takes 945./kjmol to break a nitrogen-nitrogen triple bond. calculate the maximum wavelength of light for which a nitrogen-nitrogen triple bond could be broken by absorbing a single photon.
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) Carbon dioxide as an ideal gas undergoes an isothermal process from 10 lbf/in2 to 50 lbf/in2. does the specific entropy increase, decrease, or stay constant? show your reasoning.
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A pulley system has an efficiency of 87.5 percent. how much of the rope must be pulled in if a force of 648 n is needed to lift a 150 kg desk 2.46 m? (disregard friction.)
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I'm kinda of stuck on the solution for this circuit. I can see that I can break this down into three loops, but before I do that, I need to know what the capacitors are charged to at t=0. It sure seem
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7. Ben (55 kg) is standing on very slippery ice when Junior (25 kg) bumps into him. Junior was moving at a speed of 8 m/s before the collision and Ben and Junior embrace after the collision. Find the
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If gravity did not affect the patIf gravity did not affect the path of a horizontally thrown ball, the ball would ____. a. go straight up c. fall straight down b. travel horizontally d. follow a curve
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A 5.00-kg object placed on a friction less, horizontal table is connected to a string that passes over a pulley and then is fastened to a hanging 9.00-kg object, as in Figure. Draw free-body diagrams
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A student has begun training for tryouts for lacrosse by running a two mile loop through her neighborhood every evening. Part of the run is a very steep hill. One evening, the stident is running down
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Two moles of an ideal gas are placed in a container whose volume is 8.2 10-3 m3. The absolute pressure of the gas is 2.7 105 Pa. What is the average translational kinetic energy of a molecule of the g
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A hydrogen atom is about 0.1 nm in diameter. How many hydrogen atoms lined up side by side would make a line 1 cm long?
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When a person plucks a guitar string,the number of half wavelengths that fit into the length of the string determines the of the sound produced.
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The blank secrets chemical messages that circulate through the blood and also communicates messages that influence behavior and many aspects of the biological functioning
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The state of California experiences periodic occurrences of severe drought condition. Which heather phenomenon most likely causes this and why. A. El Niño, because of weakening trade winds. B. El Ni
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Amyx is building a treehouse in his backyard. He notices that every time he strikes a nail with the hammer, the hammer bounces back just a little bit as the nail goes farther into the wood. This is be
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As the velocity of the sound source approaches the speed of sound, the wave fronts ahead of the object begin to appear as
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Seema lists the given values in a chart and determines that the unknown value is vx. Which describes Seema’s error?
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A 3.0 kg mass is tied to a rope and swung in a horizontal circle. If the velocity of the mass is 4.0 m/s and the radius of the circle is 0.75 m what is the centripetal force and what is the accelerati
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Nuclear fussion is when the nucleus of one atom combines with the nucleus of another atom. A.True B.False
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Which would be the least effective medium for traveling sound waves? A) gas B) solid C) liquid D) vacuum
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A 545-g squirrel with a surface area of 940 cm2 falls from a 4.0-m tree to the ground. Estimate its terminal velocity. (Use the drag coefficient for a horizontal skydiver. Assume that the cross-sectio
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Soil Problems:Please answer a, b and c ?Thanks
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Name:W # :Section: Time: Date: Lab partner:
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Find the attached are question papers .The mass of an object is a fundamental property of the object; a numerical measure of its inertia; a fundamental measure of the amount of matter in the object. D
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Whta is Newton's 2nd Law
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the average lifespan of a man is 48 years, for how many nanoseconds is this life span
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isotopic ferromagnets
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N= 5*4/8.314*298
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Kinematics acceleration Worksheet
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Physics question about a coin-flip...
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AP PHYSICS PROJECTILE
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Physics
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Acceleration (Physics)
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physics hw
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Phys 4B Fall 2017 - Homework - Phys 4B F17 Hwk 6
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Help work out these questions pleasee!! Just as many as you can atleast.
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Defiance Drake, Space Adventurer
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Physics 2 online
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Physics question
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Physics homework help
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need help in physics
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A ball is dropped from a building and falls for 10 seconds. How fast is it going when it hits...
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